.auth-page { min-height: 100dvh; }
.auth-header { width: min(1160px, 100%); margin: 0 auto; padding: 24px 32px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.auth-header-actions { display: flex; align-items: center; gap: 24px; }
.auth-back { font-size: 14px; color: var(--color-text-secondary); }
.auth-back span { margin-inline-start: 8px; }
.auth-layout { width: min(1080px, 100%); margin: auto; padding: 40px 32px 64px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); align-items: center; gap: 80px; flex: 1; }
.auth-intro h1 { font-family: 'Thmanyah Display', 'Thmanyah', serif; font-size: clamp(40px, 4.5vw, 62px); font-weight: 400; line-height: 1.45; margin-bottom: 24px; }
.auth-intro h1 span { color: var(--color-primary); }
.auth-intro > p { font-size: 16px; line-height: 1.9; color: var(--color-text-secondary); max-width: 350px; }
.auth-sources { margin: 36px 0 28px; padding-top: 24px; border-top: 1px solid var(--color-border); display: flex; flex-wrap: wrap; gap: 12px 20px; font-size: 14px; }
.auth-sources > span { width: 100%; color: var(--color-text-secondary); font-size: 12px; }
.auth-intro .auth-guest { font-size: 13px; }
.auth-guest a, .auth-switch a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 5px; }
.auth-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 24px; padding: 30px; box-shadow: var(--shadow-subtle); min-width: 0; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--color-bg); border: 1px solid var(--color-border); padding: 4px; border-radius: 12px; margin-bottom: 28px; }
.auth-tabs a { text-align: center; padding: 10px 4px; border-radius: 8px; font-size: 14px; color: var(--color-text-secondary); }
.auth-tabs a[aria-current="page"] { background: var(--color-primary); color: var(--button-ink); }
.auth-heading h2 { font-family: 'Thmanyah Display', 'Thmanyah', serif; font-weight: 400; font-size: 34px; margin-bottom: 8px; }
.auth-heading p { color: var(--color-text-secondary); font-size: 14px; line-height: 1.8; }
.auth-setup { margin: 20px 0; padding: 12px 14px; border-inline-start: 2px solid var(--color-primary); background: var(--color-primary-light); color: var(--color-text-secondary); border-radius: 8px; font-size: 12px; line-height: 1.8; }
.auth-field { margin-bottom: 18px; }
.auth-field label { display: block; font-size: 14px; margin-bottom: 8px; font-weight: 500; }
.auth-field input { width: 100%; min-width: 0; height: 50px; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: 10px; color: var(--color-text-primary); background: var(--color-bg); font-size: 16px; }
.auth-field input::placeholder { color: var(--color-text-secondary); opacity: .8; }
.auth-field input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.password-control { position: relative; }
.password-control input { padding: 10px 14px 10px 76px; }
.password-toggle { position: absolute; inset-inline-end: 6px; top: 3px; height: 44px; padding: 0 10px; font-size: 12px; color: var(--color-primary); }
.field-hint, .field-error { display: block; font-size: 12px; margin-top: 6px; line-height: 1.6; }
.field-hint { color: var(--color-text-secondary); }
.field-error { color: #a33232; }
[data-theme='dark'] .field-error { color: #ffb5b5; }
.field-error:empty { display: none; }
.auth-field input[aria-invalid='true'] { border-color: #b64b4b; }
.auth-submit { width: 100%; min-height: 50px; border-radius: 10px; background: var(--color-primary); color: var(--button-ink); font-size: 16px; font-weight: 500; }
.auth-submit:hover { background: var(--color-primary-hover); }
.auth-status { margin-bottom: 16px; font-size: 14px; line-height: 1.8; color: var(--color-text-primary); }
.auth-switch { text-align: center; margin-top: 20px; font-size: 13px; color: var(--color-text-secondary); }
.auth-footer { text-align: center; padding: 20px; color: var(--color-text-secondary); font-size: 12px; }
.auth-page [hidden] { display: none !important; }
.account-link { font-size: 13px; color: var(--color-primary); white-space: nowrap; }
@media (max-width: 760px) {
  .auth-header { padding: 16px 20px; }
  .auth-header-actions { gap: 12px; }
  .auth-back { font-size: 12px; }
  .auth-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 16px 20px 32px; max-width: 480px; }
  .auth-intro { text-align: center; }
  .auth-intro .eyebrow { margin-bottom: 10px; }
  .auth-intro h1 { font-size: 36px; margin-bottom: 12px; }
  .auth-intro > p { margin-inline: auto; font-size: 14px; }
  .auth-sources { display: none; }
  .auth-intro .auth-guest { margin-top: 12px; font-size: 12px; }
  .auth-card { padding: 24px 20px; border-radius: 18px; }
}

.welcome-main { width: min(960px, 100%); margin: auto; align-items: center; text-align: center; padding: 60px 24px 40px; }
.welcome-main .landing-description { margin-inline: auto; }
.welcome-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.welcome-actions a { padding: 14px 28px; border-radius: 12px; border: 1px solid var(--color-border); }
.welcome-primary { background: var(--color-primary); color: var(--button-ink); }
.welcome-secondary { background: var(--color-surface); color: var(--color-text-primary); }
.welcome-page .auth-header-actions > a, .welcome-sources a { color: var(--color-text-primary); }
.welcome-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin-top: 60px; width: 100%; text-align: start; }
.welcome-steps article { border-top: 1px solid var(--color-border); padding: 24px 12px; }
.welcome-steps article > span { font-size: 12px; color: var(--color-text-secondary); }
.welcome-steps h2 { font-size: 18px; margin: 12px 0; }
.welcome-steps p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; }
.welcome-sources { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 24px; font-size: 14px; }
.welcome-sources > span { color: var(--color-text-secondary); }
.auth-submit:disabled { opacity: .6; cursor: wait; }
@media(max-width:600px) { .welcome-main { padding-top: 32px; } .welcome-steps { grid-template-columns: 1fr; margin-top: 32px; gap: 0; } .welcome-steps article { padding: 18px 4px; } }